/*
* add_listener- create a new listener
* port - the port number to listen on
* vhost_ip - if non-null must contain a valid IP address string in
* the format "255.255.255.255"
*/
void
add_listener(int port, const char *vhost_ip, int family, int ssl)
{
struct Listener *listener;
struct rb_sockaddr_storage vaddr;
/*
* if no port in conf line, don't bother
*/
if(port == 0)
return;
memset(&vaddr, 0, sizeof(vaddr));
vaddr.ss_family = family;
if(vhost_ip != NULL)
{
if(family == AF_INET)
{
if(rb_inet_pton(family, vhost_ip, &((struct sockaddr_in *)&vaddr)->sin_addr) <= 0)
return;
}
#ifdef RB_IPV6
else
{
if(rb_inet_pton(family, vhost_ip, &((struct sockaddr_in6 *)&vaddr)->sin6_addr) <= 0)
return;
}
#endif
} else
{
switch(family)
{
case AF_INET:
((struct sockaddr_in *)&vaddr)->sin_addr.s_addr = INADDR_ANY;
break;
#ifdef RB_IPV6
case AF_INET6:
memcpy(&((struct sockaddr_in6 *)&vaddr)->sin6_addr, &in6addr_any, sizeof(struct in6_addr));
break;
default:
return;
#endif
}
}
switch(family)
{
case AF_INET:
SET_SS_LEN(&vaddr, sizeof(struct sockaddr_in));
((struct sockaddr_in *)&vaddr)->sin_port = htons(port);
break;
#ifdef RB_IPV6
case AF_INET6:
SET_SS_LEN(&vaddr, sizeof(struct sockaddr_in6));
((struct sockaddr_in6 *)&vaddr)->sin6_port = htons(port);
break;
#endif
default:
break;
}
if((listener = find_listener(&vaddr)))
{
if(listener->F != NULL)
return;
}
else
{
listener = make_listener(&vaddr);
listener->next = ListenerPollList;
ListenerPollList = listener;
}
listener->F = NULL;
listener->ssl = ssl;
if(inetport(listener))
listener->active = 1;
else
close_listener(listener);
}
/*
* add_listener- create a new listener
* port - the port number to listen on
* vhost_ip - if non-null must contain a valid IP address string in the format "255.255.255.255"
* options - listener options
* cp - listener default code page
*/
void add_listener(int port, const char* vhost_ip, char* options, char* cp)
{
struct Listener* listener;
struct IN_ADDR vaddr;
/*
* if no port in conf line, don't bother
*/
if (0 == port)
return;
#ifdef IPV6
vaddr = INADDRANY;
#else
vaddr.s_addr = INADDRANY;
#endif
if (vhost_ip) {
#ifdef IPV6
if(inetpton(AFINET, vhost_ip, &vaddr) == 0)
return;
#else
vaddr.s_addr = inet_addr(vhost_ip);
if (INADDR_NONE == vaddr.s_addr)
return;
#endif
}
if ((listener = find_listener(port, vaddr))) {
listener->active = 1;
return;
}
if(options && *options)
irclog(L_NOTICE,"Adding listener for %s, port %d Options:%s",
vhost_ip ? vhost_ip : "ANY", port, options );
else
irclog(L_NOTICE,"Adding listener for %s, port %d",
vhost_ip ? vhost_ip : "ANY", port);
listener = make_listener(port, vaddr);
if(options)
{
while(*options)
{
switch(*options)
{
case 's' :
#ifdef HAVE_SSL
if(no_ssl)
irclog(L_WARN,"ignoring port with 's' option!");
else
listener->options |= LST_SSL;
#else
irclog(L_WARN,"ircd compiled without SSL support, ignoring port with 's' option!");
#endif
break;
case 'S' : listener->options |= LST_SERVER; break;
case 'W' : listener->options |= LST_WEBCHAT; break;
case 'J' : listener->options |= LST_JAVACR; break;
case 'n' : listener->options |= LST_NOSPOOF; break;
}
++options;
}
}
if(cp && cp[0])
{
listener->codepage = codepage_find(cp);
if(listener->codepage==-1)
irclog(L_WARN,"Codepage %s defined on P:line was not loaded!", cp);
}
else
listener->codepage=-1;
if (inetport(listener)) {
listener->active = 1;
listener->next = ListenerPollList;
ListenerPollList = listener;
}
else
free_listener(listener);
}
static int
inetport(struct Listener* listener)
{
struct irc_sockaddr lsin;
int fd;
int opt = 1;
/*
* At first, open a new socket
*/
fd = comm_open(DEF_FAM, SOCK_STREAM, 0, "Listener socket");
#ifdef IPV6
if (!IN6_ARE_ADDR_EQUAL((struct in6_addr *)&listener->addr, &in6addr_any))
{
#else
if (INADDR_ANY != listener->addr.sins.sin.s_addr)
{
#endif
inetntop(DEF_FAM, &IN_ADDR(listener->addr), listener->vhost, HOSTLEN);
listener->name = listener->vhost;
}
if (fd == -1)
{
report_error(L_ALL, "opening listener socket %s:%s",
get_listener_name(listener), errno);
return 0;
}
else if ((HARD_FDLIMIT - 10) < fd)
{
report_error(L_ALL, "no more connections left for listener %s:%s",
get_listener_name(listener), errno);
fd_close(fd);
return 0;
}
/*
* XXX - we don't want to do all this crap for a listener
* set_sock_opts(listener);
*/
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char*) &opt, sizeof(opt)))
{
report_error(L_ALL, "setting SO_REUSEADDR for listener %s:%s",
get_listener_name(listener), errno);
fd_close(fd);
return 0;
}
/*
* Bind a port to listen for new connections if port is non-null,
* else assume it is already open and try get something from it.
*/
memset(&lsin, 0, sizeof(struct irc_sockaddr));
S_FAM(lsin) = DEF_FAM;
copy_s_addr(S_ADDR(lsin), IN_ADDR(listener->addr));
S_PORT(lsin) = htons(listener->port);
if (bind(fd, (struct sockaddr*) &SOCKADDR(lsin),
sizeof(struct irc_sockaddr)))
{
report_error(L_ALL, "binding listener socket %s:%s",
get_listener_name(listener), errno);
fd_close(fd);
return 0;
}
if (listen(fd, HYBRID_SOMAXCONN)) {
report_error(L_ALL, "listen failed for %s:%s",
get_listener_name(listener), errno);
fd_close(fd);
return 0;
}
/*
* XXX - this should always work, performance will suck if it doesn't
*/
if (!set_non_blocking(fd))
report_error(L_ALL, NONB_ERROR_MSG, get_listener_name(listener), errno);
listener->fd = fd;
/* Listen completion events are READ events .. */
accept_connection(fd, listener);
return 1;
}
static struct Listener*
find_listener(int port, struct irc_inaddr *addr)
{
struct Listener* listener = NULL;
struct Listener* last_closed = NULL;
for (listener = ListenerPollList; listener; listener = listener->next)
{
if ( (port == listener->port) &&
(!memcmp(&PIN_ADDR(addr),
&IN_ADDR(listener->addr),
sizeof(struct irc_inaddr))))
{
/* Try to return an open listener, otherwise reuse a closed one */
if (listener->fd == -1)
last_closed = listener;
else
return listener;
}
}
return last_closed;
}
/*
* add_listener- create a new listener
* port - the port number to listen on
* vhost_ip - if non-null must contain a valid IP address string in
* the format "255.255.255.255"
*/
void
add_listener(int port, const char* vhost_ip)
{
struct Listener* listener;
struct irc_inaddr vaddr;
/*
* if no port in conf line, don't bother
*/
if (port == 0)
return;
#ifdef IPV6
copy_s_addr(IN_ADDR(vaddr), &in6addr_any);
#else
copy_s_addr(IN_ADDR(vaddr), INADDR_ANY);
#endif
if (vhost_ip)
{
if(inetpton(DEF_FAM, vhost_ip, &IN_ADDR(vaddr)) <= 0)
return;
}
if ((listener = find_listener(port, &vaddr)))
{
if (listener->fd > -1)
return;
}
else
{
listener = make_listener(port, &vaddr);
listener->next = ListenerPollList;
ListenerPollList = listener;
}
listener->fd = -1;
if (inetport(listener))
listener->active = 1;
else
close_listener(listener);
}
/*
* close_listener - close a single listener
*/
void close_listener(struct Listener* listener)
{
assert(listener != NULL);
if(listener == NULL)
return;
if (listener->fd >= 0)
{
fd_close(listener->fd);
listener->fd = -1;
}
listener->active = 0;
if (listener->ref_count)
return;
free_listener(listener);
}
int
main(int argc, char *argv[])
{
uid_t uid, euid;
int portarg = 0, fd;
#ifdef SAVE_MAXCLIENT_STATS
FILE *mcsfp;
#endif
memset(&me, 0, sizeof(aClient));
if ((timeofday = time(NULL)) == -1)
{
(void) fprintf(stderr, "ERROR: Clock Failure (%d)\n", errno);
exit(errno);
}
build_version();
Count.server = 1; /* us */
Count.oper = 0;
Count.chan = 0;
Count.local = 0;
Count.total = 0;
Count.invisi = 0;
Count.unknown = 0;
Count.max_loc = 0;
Count.max_tot = 0;
Count.today = 0;
Count.weekly = 0;
Count.monthly = 0;
Count.yearly = 0;
Count.start = NOW;
Count.day = NOW;
Count.week = NOW;
Count.month = NOW;
Count.year = NOW;
#ifdef SAVE_MAXCLIENT_STATS
mcsfp=fopen(DPATH "/.maxclients", "r");
if(mcsfp!=NULL) {
fscanf(mcsfp, "%d %d %li %li %li %ld %ld %ld %ld", &Count.max_loc,
&Count.max_tot, &Count.weekly, &Count.monthly, &Count.yearly,
&Count.start, &Count.week, &Count.month, &Count.year);
fclose(mcsfp);
}
#endif
/*
* this code by [email protected]
* it is intended to keep the ircd from being swapped out. BSD
* swapping criteria do not match the requirements of ircd
*/
#ifdef INITIAL_DBUFS
dbuf_init(); /* set up some dbuf stuff to control paging */
#endif
sbrk0 = (char *) sbrk((size_t) 0);
uid = getuid();
euid = geteuid();
#ifdef PROFIL
(void) monstartup(0, etext);
(void) moncontrol(1);
(void) signal(SIGUSR1, s_monitor);
#endif
myargv = argv;
(void) umask(077); /* better safe than sorry --SRB */
memset((char *) &me, '\0', sizeof(me));
setup_signals();
/*
* * All command line parameters have the syntax "-fstring" or "-f
* string" (e.g. the space is optional). String may be empty. Flag
* characters cannot be concatenated (like "-fxyz"), it would
* conflict with the form "-fstring".
*/
while (--argc > 0 && (*++argv)[0] == '-')
{
char *p = argv[0] + 1;
int flag = *p++;
if (flag == '\0' || *p == '\0')
{
if (argc > 1 && argv[1][0] != '-')
{
p = *++argv;
argc -= 1;
}
else
p = "";
}
switch (flag)
{
case 'a':
bootopt |= BOOT_AUTODIE;
break;
case 'c':
bootopt |= BOOT_CONSOLE;
break;
case 'q':
bootopt |= BOOT_QUICK;
break;
case 'd':
(void) setuid((uid_t) uid);
dpath = p;
break;
case 'o': /* Per user local daemon... */
(void) setuid((uid_t) uid);
bootopt |= BOOT_OPER;
break;
#ifdef CMDLINE_CONFIG
case 'f':
(void) setuid((uid_t) uid);
configfile = p;
break;
# ifdef KPATH
case 'k':
(void) setuid((uid_t) uid);
klinefile = p;
break;
# endif
#endif
case 'h':
strncpyzt(me.name, p, sizeof(me.name));
break;
case 'i':
bootopt |= BOOT_INETD | BOOT_AUTODIE;
break;
case 'p':
if ((portarg = atoi(p)) > 0)
portnum = portarg;
break;
case 's':
bootopt |= BOOT_STDERR;
break;
case 't':
(void) setuid((uid_t) uid);
bootopt |= BOOT_TTY;
break;
case 'v':
(void) printf("ircd %s\n", version);
exit(0);
case 'x':
#ifdef DEBUGMODE
(void) setuid((uid_t) uid);
debuglevel = atoi(p);
debugmode = *p ? p : "0";
bootopt |= BOOT_DEBUG;
break;
#else
(void) fprintf(stderr,
"%s: DEBUGMODE must be defined for -x y\n",
myargv[0]);
exit(0);
#endif
default:
bad_command();
break;
}
}
if (chdir(dpath))
{
perror("chdir");
exit(-1);
}
if ((uid != euid) && !euid)
{
(void) fprintf(stderr,
"ERROR: do not run ircd setuid root. Make it setuid a normal user.\n");
exit(-1);
}
if (argc > 0)
return bad_command(); /* This should exit out */
initialize_ssl();
motd = (aMotd *) NULL;
helpfile = (aMotd *) NULL;
motd_tm = NULL;
#ifdef SHORT_MOTD
shortmotd = NULL;
#endif
read_motd(MOTD);
read_help(HELPFILE);
#ifdef SHORT_MOTD
read_shortmotd(SHORTMOTD);
#endif
clear_client_hash_table();
clear_channel_hash_table();
clear_scache_hash_table(); /* server cache name table */
clear_ip_hash_table(); /* client host ip hash table */
initlists();
initclass();
initwhowas();
initstats();
init_tree_parse(msgtab);
init_send();
NOW = time(NULL);
open_debugfile();
NOW = time(NULL);
init_fdlist(&serv_fdlist);
init_fdlist(&oper_fdlist);
init_fdlist(&listen_fdlist);
#ifndef NO_PRIORITY
init_fdlist(&busycli_fdlist);
#endif
init_fdlist(&default_fdlist);
{
int i;
for (i = MAXCONNECTIONS + 1; i > 0; i--)
{
default_fdlist.entry[i] = i - 1;
}
}
if ((timeofday = time(NULL)) == -1)
{
#ifdef USE_SYSLOG
syslog(LOG_WARNING, "Clock Failure (%d), TS can be corrupted", errno);
#endif
sendto_ops("Clock Failure (%d), TS can be corrupted", errno);
}
#ifdef WINGATE_NOTICE
strcpy(ProxyMonURL, "http://");
strncpyzt((ProxyMonURL + 7), DEFAULT_PROXY_INFO_URL, (TOPICLEN + 1) - 7);
strncpyzt(ProxyMonHost, MONITOR_HOST, (HOSTLEN + 1));
#endif
if (portnum < 0)
portnum = PORTNUM;
me.port = portnum;
(void) init_sys();
me.flags = FLAGS_LISTEN;
#ifndef _WIN32
if (bootopt & BOOT_INETD)
{
me.fd = 0;
local[0] = &me;
me.flags = FLAGS_LISTEN;
}
else
#endif
me.fd = -1;
#ifdef USE_SYSLOG
# define SYSLOG_ME "ircd"
openlog(SYSLOG_ME, LOG_PID | LOG_NDELAY, LOG_FACILITY);
#endif
if ((fd = openconf(configfile)) == -1)
{
Debug((DEBUG_FATAL, "Failed in reading configuration file %s",
configfile));
(void) printf("Couldn't open configuration file %s\n",
configfile);
exit(-1);
}
(void) initconf(bootopt, fd);
/* comstuds SEPARATE_QUOTE_KLINES_BY_DATE code */
#ifdef SEPARATE_QUOTE_KLINES_BY_DATE
{
struct tm *tmptr;
char timebuffer[20], filename[200];
tmptr = localtime(&NOW);
(void) strftime(timebuffer, 20, "%y%m%d", tmptr);
ircsprintf(filename, "%s.%s", klinefile, timebuffer);
if ((fd = openconf(filename)) == -1)
{
Debug((DEBUG_ERROR, "Failed reading kline file %s",
filename));
(void) printf("Couldn't open kline file %s\n",
filename);
}
else
(void) initconf(0, fd);
}
#else
# ifdef KPATH
if ((fd = openconf(klinefile)) == -1)
{
Debug((DEBUG_ERROR, "Failed reading kline file %s", klinefile));
(void) printf("Couldn't open kline file %s\n", klinefile);
}
else
(void) initconf(0, fd);
# endif
#endif
if (!(bootopt & BOOT_INETD))
{
static char star[] = "*";
aConfItem *aconf;
u_long vaddr;
if ((aconf = find_me()) && portarg <= 0 && aconf->port > 0)
portnum = aconf->port;
Debug((DEBUG_ERROR, "Port = %d", portnum));
if ((aconf->passwd[0] != '\0') && (aconf->passwd[0] != '*'))
vaddr = inet_addr(aconf->passwd);
else
vaddr = (u_long) NULL;
if (inetport(&me, star, portnum, vaddr))
{
if (bootopt & BOOT_STDERR)
fprintf(stderr, "Couldn't bind to primary port %d\n", portnum);
#ifdef USE_SYSLOG
(void) syslog(LOG_CRIT, "Couldn't bind to primary port %d\n", portnum);
#endif
exit(1);
}
}
else if (inetport(&me, "*", 0, 0))
{
if (bootopt & BOOT_STDERR)
fprintf(stderr, "Couldn't bind to port passed from inetd\n");
#ifdef USE_SYSLOG
(void) syslog(LOG_CRIT, "Couldn't bind to port passed from inetd\n");
#endif
exit(1);
}
(void) get_my_name(&me, me.sockhost, sizeof(me.sockhost) - 1);
if (me.name[0] == '\0')
strncpyzt(me.name, me.sockhost, sizeof(me.name));
me.hopcount = 0;
me.authfd = -1;
me.confs = NULL;
me.next = NULL;
me.user = NULL;
me.from = &me;
SetMe(&me);
make_server(&me);
me.serv->up = me.name;
me.lasttime = me.since = me.firsttime = NOW;
(void) add_to_client_hash_table(me.name, &me);
/* We don't want to calculate these every time they are used :) */
sprintf(REPORT_DO_DNS, REPORT_DO_DNS_, me.name);
sprintf(REPORT_FIN_DNS, REPORT_FIN_DNS_, me.name);
sprintf(REPORT_FIN_DNSC, REPORT_FIN_DNSC_, me.name);
sprintf(REPORT_FAIL_DNS, REPORT_FAIL_DNS_, me.name);
sprintf(REPORT_DO_ID, REPORT_DO_ID_, me.name);
sprintf(REPORT_FIN_ID, REPORT_FIN_ID_, me.name);
sprintf(REPORT_FAIL_ID, REPORT_FAIL_ID_, me.name);
R_do_dns = strlen(REPORT_DO_DNS);
R_fin_dns = strlen(REPORT_FIN_DNS);
R_fin_dnsc = strlen(REPORT_FIN_DNSC);
R_fail_dns = strlen(REPORT_FAIL_DNS);
R_do_id = strlen(REPORT_DO_ID);
R_fin_id = strlen(REPORT_FIN_ID);
R_fail_id = strlen(REPORT_FAIL_ID);
check_class();
if (bootopt & BOOT_OPER)
{
aClient *tmp = add_connection(&me, 0);
if (!tmp)
exit(1);
SetMaster(tmp);
}
else
write_pidfile();
Debug((DEBUG_NOTICE, "Server ready..."));
#ifdef USE_SYSLOG
syslog(LOG_NOTICE, "Server Ready");
#endif
NOW = time(NULL);
#ifndef NO_PRIORITY
check_fdlists();
#endif
if ((timeofday = time(NULL)) == -1)
{
#ifdef USE_SYSLOG
syslog(LOG_WARNING, "Clock Failure (%d), TS can be corrupted", errno);
#endif
sendto_ops("Clock Failure (%d), TS can be corrupted", errno);
}
#ifdef DUMP_DEBUG
dumpfp=fopen("dump.log", "w");
#endif
io_loop();
return 0;
}
